A panel for cladding a ceiling or wall in a cabin, especially the cabin of a passenger aircraft, in which a board is laminated on both sides with a cover layer which is made of fibrous material or fabric, which is impregnated with resin or a thermoplastic material, and is cured under the effects of pressure and temperature, said board having at least one core with a honeycomb structure formed by a large number of walls, said walls being compressed or bent in a pre-defined region of the board by between 5% and 50%.